Gergely Dudás’ adorable cartoon animals and whimsical drawings contain hidden details that challenge people to examine them extra closely.

He’s released three books of brain-teasing illustrations: one of the holiday puzzles called “Bear’s Merry Book of Hidden Things,” a Halloween-themed book called “Bear’s Spooky Book of Hidden Things,” and “Bear’s Springtime Book of Hidden Things.”

An illustrator from Hungary, Gergely Dudás, draws puzzles where he hides different things, from tiny hearts and Easter eggs to bears and cats. He posts them on his personal website and also has his own books available.

IQ, or intelligence quotient A number representing a person’s reasoning ability. It’s determined by dividing a person’s score on a special test by his or her age, then multiplying by 100!!

So let’s Solve This one. Can you find the marshmallow in this picture?

Scroll down to see the answer

This is the case with this illustration, and it will really make you look at it twice, or even the third time!!!